MysqlUpdater.php

Go to the documentation of this file.

<?php
 
namespace MediaWiki\Installer;
 
use FixInconsistentRedirects;
use FixWrongPasswordPrefixes;
use MediaWiki\Maintenance\FixAutoblockLogTitles;
use MigrateExternallinks;
use MigrateRevisionCommentTemp;
use PopulateUserIsTemp;
 
class MysqlUpdater extends DatabaseUpdater {
    protected function getCoreUpdateList() {
        return [
            // 1.40
            [ 'addField', 'externallinks', 'el_to_path', 'patch-externallinks-el_to_path.sql' ],
 
            // 1.41
            [ 'addField', 'user', 'user_is_temp', 'patch-user-user_is_temp.sql' ],
            [ 'runMaintenance', MigrateRevisionCommentTemp::class ],
            [ 'dropTable', 'revision_comment_temp' ],
            [ 'runMaintenance', MigrateExternallinks::class ],
            [ 'modifyField', 'externallinks', 'el_to', 'patch-externallinks-el_to_default.sql' ],
            [ 'addField', 'pagelinks', 'pl_target_id', 'patch-pagelinks-target_id.sql' ],
            [ 'dropField', 'externallinks', 'el_to', 'patch-externallinks-drop-el_to.sql' ],
            [ 'runMaintenance', FixInconsistentRedirects::class ],
            [ 'modifyField', 'image', 'img_size', 'patch-image-img_size_to_bigint.sql' ],
            [ 'modifyField', 'filearchive', 'fa_size', 'patch-filearchive-fa_size_to_bigint.sql' ],
            [ 'modifyField', 'oldimage', 'oi_size', 'patch-oldimage-oi_size_to_bigint.sql' ],
            [ 'modifyField', 'uploadstash', 'us_size', 'patch-uploadstash-us_size_to_bigint.sql' ],
 
            // 1.42
            [ 'addField', 'user_autocreate_serial', 'uas_year', 'patch-user_autocreate_serial-uas_year.sql' ],
            [ 'addTable', 'block_target', 'patch-block_target.sql' ],
            [ 'dropIndex', 'categorylinks', 'cl_collation_ext', 'patch-drop-cl_collation_ext.sql' ],
            [ 'runMaintenance', PopulateUserIsTemp::class ],
            [ 'dropIndex', 'sites', 'site_type', 'patch-sites-drop_indexes.sql' ],
            [ 'dropIndex', 'iwlinks', 'iwl_prefix_from_title', 'patch-iwlinks-drop-iwl_prefix_from_title.sql' ],
 
            // 1.43
            [ 'migratePagelinks' ],
            [ 'modifyField', 'revision', 'rev_id', 'patch-revision-cleanup.sql' ],
            [ 'modifyField', 'recentchanges', 'rc_id', 'patch-recentchanges-rc_id-bigint.sql' ],
            [ 'modifyField', 'change_tag', 'ct_rc_id', 'patch-change_tag-ct_rc_id.sql' ],
            [ 'runMaintenance', \MigrateBlocks::class ],
            [ 'dropTable', 'ipblocks' ],
            [ 'dropField', 'pagelinks', 'pl_title', 'patch-pagelinks-drop-pl_title.sql' ],
            [ 'modifyField', 'page', 'page_links_updated', 'patch-page-page_links_updated-noinfinite.sql' ],
            [ 'addPostDatabaseUpdateMaintenance', FixAutoblockLogTitles::class ],
            [ 'changeTableOption', 'searchindex', 'CONVERT TO CHARACTER SET utf8mb4', 'utf8mb4' ],
            [ 'migrateSearchindex' ],
 
            // 1.44
            [ 'addTable', 'file', 'patch-file.sql' ],
            [ 'addField', 'categorylinks', 'cl_target_id', 'patch-categorylinks-target_id.sql' ],
            [ 'addTable', 'collation', 'patch-collation.sql' ],
            [ 'dropTable', 'module_deps' ],
 
            // 1.45
            [ 'addTable', 'existencelinks', 'patch-existencelinks.sql' ],
            [ 'runMaintenance', FixWrongPasswordPrefixes::class ],
            [ 'addIndex', 'categorylinks', 'cl_timestamp_id', 'patch-categorylinks-cl_timestamp_id.sql' ],
            [ 'migrateCategorylinks' ],
            [ 'normalizeCollation' ],
            [ 'modifyPrimaryKey', 'categorylinks', [ 'cl_from', 'cl_target_id' ], 'patch-categorylinks-pk.sql' ],
            [ 'addIndex', 'recentchanges', 'rc_source_name_timestamp',
                'patch-recentchanges-rc_source_name_timestamp.sql' ],
            [ 'addIndex', 'recentchanges', 'rc_name_source_patrolled_timestamp',
                'patch-recentchanges-rc_name_source_patrolled_timestamp.sql' ],
            [ 'dropField', 'recentchanges', 'rc_new', 'patch-recentchanges-drop-rc_new.sql' ],
            [ 'dropField', 'categorylinks', 'cl_to', 'patch-categorylinks-drop-cl_to-cl_collation.sql' ],
 
            // 1.46
            [ 'addTable', 'watchlist_label', 'patch-watchlist_label.sql' ],
            [ 'dropField', 'recentchanges', 'rc_type', 'patch-recentchanges-drop-rc_type.sql' ],
            [ 'dropField', 'archive', 'ar_sha1', 'patch-archive-drop-ar_sha1.sql' ],
            [ 'dropField', 'revision', 'rev_sha1', 'patch-revision-drop-rev_sha1.sql' ],
            [ 'dropField', 'objectcache', 'modtoken', 'patch-objectcache-drop-modtoken.sql' ],
            [ 'addField', 'imagelinks', 'il_target_id', 'patch-imagelinks-add-il_target_id.sql' ],
            [ 'migrateImagelinks' ],
            [ 'modifyPrimaryKey', 'imagelinks', [ 'il_from', 'il_target_id' ], 'patch-imagelinks-pk.sql' ],
        ];
    }
 
    protected function getInitialUpdateKeys() {
        return [
            'filearchive-fa_major_mime-patch-fa_major_mime-chemical.sql',
            'image-img_major_mime-patch-img_major_mime-chemical.sql',
            'oldimage-oi_major_mime-patch-oi_major_mime-chemical.sql',
            'user_groups-ug_group-patch-ug_group-length-increase-255.sql',
            'user_former_groups-ufg_group-patch-ufg_group-length-increase-255.sql',
            'user_properties-up_property-patch-up_property.sql',
        ];
    }
 
    public function getSchemaVars() {
        global $wgDBTableOptions;
 
        $vars = [];
        $vars['wgDBTableOptions'] = str_replace( 'TYPE', 'ENGINE', $wgDBTableOptions );
        $vars['wgDBTableOptions'] = str_replace(
            'CHARSET=mysql4',
            'CHARSET=binary',
            $vars['wgDBTableOptions']
        );
 
        return $vars;
    }
 
    protected function dropDefault( $table, $field ) {
        $updateKey = "$table-$field-dropDefault";
 
        if ( $this->updateRowExists( $updateKey ) ) {
            return;
        }
 
        $info = $this->db->fieldInfo( $table, $field );
        if ( $info && $info->defaultValue() !== false ) {
            $this->output( "Removing '$table.$field' default value.\n" );
            $table = $this->db->tableName( $table );
            $ret = $this->db->query( "ALTER TABLE $table ALTER COLUMN $field DROP DEFAULT", __METHOD__ );
 
            if ( $ret ) {
                $this->insertUpdateRow( $updateKey );
            }
        }
    }
 
    protected function setDefault( $table, $field, $default ) {
        $info = $this->db->fieldInfo( $table, $field );
        if ( $info && $info->defaultValue() !== $default ) {
            $this->output( "Changing '$table.$field' default value.\n" );
            $table = $this->db->tableName( $table );
            $this->db->query(
                "ALTER TABLE $table ALTER COLUMN $field SET DEFAULT "
                . $this->db->addQuotes( $default ), __METHOD__
            );
        }
    }
 
    protected function changeTableOption( string $table, string $tableOption, string $updateName ) {
        $updateKey = "$table-tableoption-$updateName";
        if ( $this->updateRowExists( $updateKey ) ) {
            return;
        }
 
        $this->output( "Changing table options of '$table'.\n" );
        $table = $this->db->tableName( $table );
        $ret = $this->db->query(
            "ALTER TABLE $table $tableOption",
            __METHOD__
        );
 
        if ( $ret ) {
            $this->insertUpdateRow( $updateKey );
        }
    }
 
    protected function migrateSearchindex() {
        $updateKey = 'searchindex-pk-titlelength';
        if ( !$this->tableExists( 'searchindex' ) ) {
            return;
        }
 
        $primaryIndexExists = $this->db->indexExists( 'searchindex', 'PRIMARY', __METHOD__ );
        if ( $this->updateRowExists( $updateKey ) || $primaryIndexExists ) {
            $this->outputApplied( "...searchindex table has already been migrated.\n" );
            if ( !$this->updateRowExists( $updateKey ) ) {
                $this->insertUpdateRow( $updateKey );
            }
            return;
        }
 
        $apply = $this->applyPatch( 'patch-searchindex-pk-titlelength.sql', false, '...migrating searchindex table' );
 
        if ( $apply ) {
            $this->insertUpdateRow( $updateKey );
        }
    }
}
 
class_alias( MysqlUpdater::class, 'MysqlUpdater' );